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SparkFun will be closed May 25, 2015 for Memorial Day. Orders placed after 2pm on Friday the 22nd will ship out on Tuesday. Thanks!

Member #262106

Member Since: October 27, 2011

Country: United States

  • When I was trying to pull up a PMOS transistor with a 10k resistor at the rate of 200 Hz, I actually found that the pull up was happening too slowly and the transistor was taking longer than 5 ms to actually switch off. Switched to a 2k resistor and all was well.

    For buttons and the like just use a 10k. For high speed stuff on the milli or micro second scale…just use 1-5k.

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